Item-Based Clustering Collaborative Filtering Algorithm under High-Dimensional Sparse Data.
Zhong YaoQuang ZhangPublished in: CSO (1) (2009)
Keyphrases
- sparse data
- filtering algorithm
- high dimensional
- data points
- high dimensionality
- high dimensional data
- clustering algorithm
- collaborative filtering
- low dimensional
- dimensionality reduction
- clustering method
- k means
- median filter
- similarity search
- cluster analysis
- document clustering
- gray level
- data mining
- feature space
- multi category
- image quality
- gray scale
- unsupervised learning
- image data
- pattern recognition
- multiscale
- machine learning